ADVANCES IN OIL PROSPECTING 145 




a at 
Se ry TROCHITE Lie Sone 
SS .S) 
Ssanide 
IS 
M N 1¢ VARIEGATED AARLS 
v > 4°p 
= SN 
aT —} 30 
i wee 
\\% 5 
Jo 
& 

LEGENO:— 
Fic. 29.—Resistivity map of fault in Triassic in Lorraine. Study made in 1928 
(after Schlumberger). 
475 
